An investment with an initial deposit of $6,827 is growing at an interest rate of 8.31% compounded quarterly. Round all answers to two decimal places if necessary. 1. Find the accumulated amount of the investment at the end of 4 years. P/Y = C/Y = N = I/Y = % PV = $ PMT = $ FV = $ 2. The interest rate changes to 4.24% compounded monthly after the first 4 years. Calculate the accumulated amount in this investment at the end of 7 years. P/Y = C/Y = N = I/Y = % PV = $ PMT = $ FV = $ 3. Find the total amount of interest accumulated during the entire 7 years of the investment. Total Interest = $ (enter a positive value)